WO2011081360A3 - Ultra-high-strength steel wire having excellent resistance to delayed fracture and manufacturing method thereof - Google Patents

Ultra-high-strength steel wire having excellent resistance to delayed fracture and manufacturing method thereof Download PDF

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Publication number
WO2011081360A3
WO2011081360A3 PCT/KR2010/009281 KR2010009281W WO2011081360A3 WO 2011081360 A3 WO2011081360 A3 WO 2011081360A3 KR 2010009281 W KR2010009281 W KR 2010009281W WO 2011081360 A3 WO2011081360 A3 WO 2011081360A3
Authority
WO
WIPO (PCT)
Prior art keywords
ultra
steel wire
strength steel
excellent resistance
manufacturing
Prior art date
Application number
PCT/KR2010/009281
Other languages
French (fr)
Other versions
WO2011081360A2 (en
Inventor
Dong-Hyun Kim
You-Hwan Lee
Sang-Yoon Lee
Hyung-Keun Cho
Original Assignee
Posco
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Posco filed Critical Posco
Priority to CN2010800595981A priority Critical patent/CN102686750A/en
Priority to US13/508,745 priority patent/US20120227872A1/en
Priority to EP10841192.7A priority patent/EP2519654B1/en
Publication of WO2011081360A2 publication Critical patent/WO2011081360A2/en
Publication of WO2011081360A3 publication Critical patent/WO2011081360A3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0093—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for screws; for bolts
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese

Abstract

An ultra-high-strength steel wire rod having excellent resistance to delayed fracture includes, by wt%, 0.7-1.2% C, 0.25-0.5% Si, 0.5-0.8% Mn, 0.02-0.1% V and a balance of Fe and inevitable impurities.
PCT/KR2010/009281 2009-12-28 2010-12-23 Ultra-high-strength steel wire having excellent resistance to delayed fracture and manufacturing method thereof WO2011081360A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2010800595981A CN102686750A (en) 2009-12-28 2010-12-23 Ultra-high-strength steel wire having excellent resistance to delayed fracture and manufacturing method thereof
US13/508,745 US20120227872A1 (en) 2009-12-28 2010-12-23 Ultra-high-strength steel wire having excellent resistance to delayed fracture and manufacturing method thereof
EP10841192.7A EP2519654B1 (en) 2009-12-28 2010-12-23 Ultra-high-strength steel wire having excellent resistance to delayed fracture and manufacturing method thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2009-0131738 2009-12-28
KR1020090131738A KR20110075319A (en) 2009-12-28 2009-12-28 Ultra high strength steel wire rod having high resistance of delayed fracture, and method for manufacturing the same

Publications (2)

Publication Number Publication Date
WO2011081360A2 WO2011081360A2 (en) 2011-07-07
WO2011081360A3 true WO2011081360A3 (en) 2011-10-13

Family

ID=44226979

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/009281 WO2011081360A2 (en) 2009-12-28 2010-12-23 Ultra-high-strength steel wire having excellent resistance to delayed fracture and manufacturing method thereof

Country Status (5)

Country Link
US (1) US20120227872A1 (en)
EP (1) EP2519654B1 (en)
KR (1) KR20110075319A (en)
CN (1) CN102686750A (en)
WO (1) WO2011081360A2 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6249846B2 (en) * 2013-03-25 2017-12-20 株式会社神戸製鋼所 Steel wire rod for high strength spring excellent in wire drawing workability and bending workability after wire drawing work, method for producing the same, high strength spring, and method for producing the same
JP6182489B2 (en) * 2014-03-27 2017-08-16 株式会社神戸製鋼所 Case-hardened steel that has excellent cold forgeability and can suppress abnormal grain generation during carburizing.
JP2016014169A (en) * 2014-07-01 2016-01-28 株式会社神戸製鋼所 Wire rod for steel wire and steel wire
KR101676130B1 (en) * 2014-12-19 2016-11-15 주식회사 포스코 Wire rod having high strength and ductility and method for manufacturing the same
JP6461672B2 (en) * 2015-03-27 2019-01-30 株式会社神戸製鋼所 Bolt steel wire and bolt with excellent cold forgeability and delayed fracture resistance after quenching and tempering
JP6600996B2 (en) * 2015-06-02 2019-11-06 日本製鉄株式会社 High carbon steel sheet and method for producing the same
JP2017101296A (en) * 2015-12-02 2017-06-08 株式会社神戸製鋼所 Hot rolled wire excellent in hydrogen blistering resistance
JP2018162524A (en) * 2018-06-22 2018-10-18 株式会社神戸製鋼所 Wire material for steel wire, and steel wire
JP7352069B2 (en) * 2019-07-26 2023-09-28 日本製鉄株式会社 wire rod and steel wire
WO2022050536A1 (en) * 2020-09-01 2022-03-10 현대제철 주식회사 Hot stamping material and production method therefor
WO2022050501A1 (en) 2020-09-01 2022-03-10 현대제철 주식회사 Material for hot stamping and method for manufacturing same
WO2022050500A1 (en) 2020-09-01 2022-03-10 현대제철 주식회사 Material for hot stamping, and method for manufacturing same
WO2022047714A1 (en) * 2020-09-03 2022-03-10 Nv Bekaert Sa A steel cord for rubber reinforcement

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07173530A (en) * 1993-12-20 1995-07-11 Nippon Steel Corp Production of high toughness rail having pearlite metallic structure
JPH11315348A (en) * 1998-04-30 1999-11-16 Kobe Steel Ltd High strength wire rod excellent in delayed fracture resistance, its production, and high strength bolt
JP2002069581A (en) * 2000-09-06 2002-03-08 Nippon Steel Corp High strength rolled pc reinforcing bar, and its manufacturing method
JP2004131797A (en) * 2002-10-10 2004-04-30 Nippon Steel Corp Pc steel wire having satisfactory delayed fracture resistance, production method therefor, and pc stranded wire
JP2004307929A (en) * 2003-04-07 2004-11-04 Nippon Steel Corp Bolt having excellent hydrogen embrittlement resistance, and its production method
JP2008261027A (en) * 2007-04-13 2008-10-30 Nippon Steel Corp High-strength galvanized bolt having excellent hydrogen embrittlement resistance, and method for producing the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3940270B2 (en) * 2000-04-07 2007-07-04 本田技研工業株式会社 Method for producing high-strength bolts with excellent delayed fracture resistance and relaxation resistance
US6783609B2 (en) * 2001-06-28 2004-08-31 Kabushiki Kaisha Kobe Seiko Sho High-carbon steel wire rod with superior drawability and method for production thereof
KR101124052B1 (en) * 2007-01-31 2012-03-23 신닛뽄세이테쯔 카부시키카이샤 Plated steel wire for pws excelling in torsion property and process for producing the same
FR2960556B3 (en) * 2010-05-31 2012-05-11 Arcelormittal Wire France HIGH-STRENGTH STEEL-SHAPED WIRE FOR MECHANICAL RESISTANT TO HYDROGEN FRAGILIZATION

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07173530A (en) * 1993-12-20 1995-07-11 Nippon Steel Corp Production of high toughness rail having pearlite metallic structure
JPH11315348A (en) * 1998-04-30 1999-11-16 Kobe Steel Ltd High strength wire rod excellent in delayed fracture resistance, its production, and high strength bolt
JP2002069581A (en) * 2000-09-06 2002-03-08 Nippon Steel Corp High strength rolled pc reinforcing bar, and its manufacturing method
JP2004131797A (en) * 2002-10-10 2004-04-30 Nippon Steel Corp Pc steel wire having satisfactory delayed fracture resistance, production method therefor, and pc stranded wire
JP2004307929A (en) * 2003-04-07 2004-11-04 Nippon Steel Corp Bolt having excellent hydrogen embrittlement resistance, and its production method
JP2008261027A (en) * 2007-04-13 2008-10-30 Nippon Steel Corp High-strength galvanized bolt having excellent hydrogen embrittlement resistance, and method for producing the same

Also Published As

Publication number Publication date
EP2519654A4 (en) 2017-06-28
WO2011081360A2 (en) 2011-07-07
KR20110075319A (en) 2011-07-06
EP2519654B1 (en) 2019-09-25
EP2519654A2 (en) 2012-11-07
US20120227872A1 (en) 2012-09-13
CN102686750A (en) 2012-09-19

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